Refrigerator



FIG. 1 is a front, top and right side perspective view of a refrigeratorshowing our new design, with the refrigerator door fully closed;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is front, top and left side perspective view thereof, with therefrigerator door partially open; and

FIG. 6 is a front elevational view thereof with the refrigerator doorfully open.

The ornamental design for a refrigerator, as shown and described.